New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Independence Day (obs.)
Independence Day
Labor Day
Columbus Day
Veterans Day
Thanksgiving
Christmas
  January
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  December
 ‹ 1839
1840
1841 › 
# Date Public holiday
1Wednesday, 1 January 1840 New Year's Day
2Monday, 20 January 1840 Martin Luther King Day
3Monday, 17 February 1840 Washington's Birthday
4Monday, 25 May 1840 Memorial Day
Friday, 3 July 1840 Independence Day (observance)
5Saturday, 4 July 1840 Independence Day
6Monday, 7 September 1840 Labor Day
7Monday, 12 October 1840 Columbus Day
8Wednesday, 11 November 1840 Veterans Day
9Thursday, 26 November 1840 Thanksgiving
10Friday, 25 December 1840 Christmas